72712785

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1427}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 120637440

約数和(自身を除く): 47924655

約数列:

[1, 3, 5, 15, 43, 79, 129, 215, 237, 395, 645, 1185, 1427, 3397, 4281, 7135, 10191, 16985, 21405, 50955, 61361, 112733, 184083, 306805, 338199, 563665, 920415, 1690995, 4847519, 14542557, 24237595, 72712785]

約数ペア:

[(1, 72712785), (3, 24237595), (5, 14542557), (15, 4847519), (43, 1690995), (79, 920415), (129, 563665), (215, 338199), (237, 306805), (395, 184083), (645, 112733), (1185, 61361), (1427, 50955), (3397, 21405), (4281, 16985), (7135, 10191)]